Most Assists, Career

260-Wayne Gretzky
186-Mark Messier
139-Ray Bourque
137-Paul Coffey
128-Doug Gilmour

Most Assists, One Playoff Year

31-Wayne Gretzky, Edmonton Oilers, 1988
30-Wayne Gretzky, Edmonton Oilers, 1985
29-Wayne Gretzky, Edmonton Oilers, 1987
28-Mario Lemieux, Pittsburgh Penguins, 1991
26-Wayne Gretzky, Edmonton Oilers, 1983

Most Assists in One Series (Other Than a Final)

14-Rick Middleton, Boston, 1983 Division Final
14-Wayne Gretzky, Edmonton Oilers, 1985 Conference Final
13-Wayne Gretzky, Edmonton Oilers, 1987 Division Semi Final
13-Doug Gilmour, Toronto Maple Leafs, 1994 Conference Semi Final

Most Assists in a Final Series

10-Wayne Gretzky, Edmonton Oilers, 1988
  9-Jacques Lemaire, Montreal Canadiens, 1973
  9-Wayne Gretzky, Edmonton Oilers, 1987
  9-Larry Murphy, Pittsburgh Penguins, 1991

Most Assists, One Game

6-Mikko Leinonen, New York Rangers, Apr 8, 1982
6-Wayne Gretzky, Edmonton Oilers, Apr 9, 1987

Most Assists, One Period

3-Nick Metz, Toronto Maple Leafs, Mar 21, 1941
3 assists in a period has been recorded 73 more times, with the most recent by Chris Chelios, Apr 27, 2002.